Wireless electric energy transmission device
Technical field
The present invention relates to a kind of transmitting device, specifically, relate to wireless electric energy transmission device.
Background technology
Wireless radio transmission is very extensive in society application, relates to social all trades and professions, and the daily life on the people and socioeconomic development all have very great impact. But existing wireless electric energy transmission device often exists system complex, the problem that cost is high, maintenance difficulties is large is unfavorable for actual use very much. Even if having the simple transmitting device of some systems, but its performance is difficult to practical requirement, and is easy to break down, need to overhaul frequently, safeguard, operating cost is very high, and economic benefit is difficult to improve.
Summary of the invention
The object of the present invention is to provide a kind of wireless electric energy transmission device, solve the system simplification and the problem that is difficult to take into account stable and reliable for performance that in prior art, exist.
To achieve these goals, the technical solution used in the present invention is as follows:
Wireless electric energy transmission device, it is characterized in that, comprise single chip machine controlling circuit, the IR2111 half-bridge driven module being connected with this single chip machine controlling circuit output, the transmitting coil being connected with the output of this IR2111 half-bridge driven module, and this transmitting coil is sampled and sample information is fed back to the current sample module of single chip machine controlling circuit, and with the supporting electric energy receiving circuit of described transmitting coil, wherein, described IR2111 half-bridge driven module comprises IR2111 chip, triode Q1, Q3, Q4, metal-oxide-semiconductor Q2, Q5, diode D1, D2, D3, resistance R 1, R2, R3, R4, R5, the base stage of described triode Q3 is connected with the output of described single chip machine controlling circuit by resistance R 4, its grounded emitter, its colelctor electrode is connected with the base stage of triode Q1 and Q4 respectively by resistance R 3, also be connected with power supply by resistance R 1 simultaneously, the colelctor electrode of described triode Q1 connects power supply, the grounded collector of triode Q4, the emitter stage of triode Q1 and Q4 is connected with IR2111 chip simultaneously, described diode D1 is directly connected on IR2111 chip, diode D2 is in parallel with metal-oxide-semiconductor Q2, diode D3 is in parallel with metal-oxide-semiconductor Q5, and diode D2 and D3 series connection, metal-oxide-semiconductor Q2 and Q5 series connection, the two ends of described diode D3 are simultaneously as output, with described transmitting coil conducting, described metal-oxide-semiconductor Q2 is connected with IR2111 chip by resistance R 2, described metal-oxide-semiconductor Q5 is connected with IR2111 chip by resistance R 5, described electric energy receiving circuit comprises the receiving coil supporting with described transmitting coil, the diode group being connected with the output of this receiving coil, and the MC34063 chip being connected with this diode group, described diode group comprises diode D10, D11, D12, D4, D6, D7, D8, wherein diode D4 and D8 the first series arm in series, diode D6 and D7 the second series arm in series, diode D10, D11, D12 forms the first parallel branch, described the first series arm is in parallel with the second series arm, and connect with described the first parallel branch, and diode D4 is connected with receiving coil output with the tie point of D8, the tie point of diode D6 and D7 is connected with receiving coil output, described MC34063 chip is connected with the output of described the first parallel branch by diode D5, on described MC34063 chip, be also connected with the inductance L 1 of connecting with described diode D5, and auxiliary element, described single chip machine controlling circuit also disposes power supply circuits, these power supply circuits comprise TPS5430 chip, the inductance L 2 being connected with this TPS5430 chip, the resistance R 6, the R7 that connect with this inductance L 2, between described inductance L 2 and TPS5430 chip, be also connected with the diode D9 of one end ground connection, on TPS5430 chip, be also provided with auxiliary element simultaneously.
Further, described current sample module comprises ACS712 chip, and the input of this ACS712 is connected with described transmitting coil, and its output is connected with described single chip machine controlling circuit, on this ACS712 chip, is also connected with auxiliary element.
Further, described single chip machine controlling circuit mainly comprises a MCU and the 2nd MCU, the power end access 3.3V power supply of a described MCU, and by ground connection after a resistance and LED series connection, described 3.3V power supply is also connected with LM1117 chip, LM7805 chip, single spininess socket, PLC5616 chip and ADS1115 chip, wherein, described LM1117 and the series connection of LM7805 chip, and on both pins, be connected with respectively ground capacity, described single spininess socket and described the 2nd MCU peg graft, described PLC5616 chip is connected with a described MCU respectively with ADS1115 chip, and described PLC5616 chip and ADS1115 chip are also connected with respectively ground capacity, on described the 2nd MCU, be also connected with control button.
It is master controller that the present invention adopts the TM4C123GH6PM single-chip microcomputer of TI company, with Switching Power Supply managing chip TPS5430, MC34063, half-bridge driven chip I R2111 is core, by single-chip microcomputer output frequency and all transformable PWM ripples of dutycycle, after signal being amplified by the leading half-bridge forming of IR2111, give transmitting coil, receiving coil receives signal through over commutation, after filtering, the boosted switch power supply consisting of MC34063 carries out transformation of electrical energy, whole system is simple, easily realize, operation and maintenance cost is low, transmitting procedure is reliable and stable, practical value and economic worth are all very high.
Brief description of the drawings
Fig. 1 is overall system block diagram of the present invention.
Fig. 2 is the circuit theory diagrams of IR2111 half-bridge driven module in the present invention.
Fig. 3 is the schematic diagram of electric energy receiving circuit in the present invention.
Fig. 4 is the circuit theory diagrams of current sample module in the present invention.
Fig. 5 is the schematic diagram of power supply circuits in the present invention.
Fig. 6 is the schematic diagram of single chip machine controlling circuit in the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 1, wireless electric energy transmission device disclosed by the invention, mainly comprise radiating portion and receiving unit, wherein, radiating portion comprises single chip machine controlling circuit, power supply circuits, IR2111 half-bridge driven module, current sample module and transmitting coil, and receiving unit comprises receiving coil and the receiving circuit taking MC34063 chip as master. Describe modules circuit below in detail.
One of IR2111 half-bridge driven module is core design of the present invention, and circuit diagram as shown in Figure 2. as can be seen from the figure, described IR2111 half-bridge driven module comprises IR2111 chip, triode Q1, Q3, Q4, metal-oxide-semiconductor Q2, Q5, diode D1, D2, D3, resistance R 1, R2, R3, R4, R5, the base stage of described triode Q3 is connected with the output of described single chip machine controlling circuit by resistance R 4, its grounded emitter, its colelctor electrode is connected with the base stage of triode Q1 and Q4 respectively by resistance R 3, also be connected with power supply by resistance R 1 simultaneously, the colelctor electrode of described triode Q1 connects power supply, the grounded collector of triode Q4, the emitter stage of triode Q1 and Q4 is connected with IR2111 chip simultaneously, described diode D1 is directly connected on IR2111 chip, diode D2 is in parallel with metal-oxide-semiconductor Q2, diode D3 is in parallel with metal-oxide-semiconductor Q5, and diode D2 and D3 series connection, metal-oxide-semiconductor Q2 and Q5 series connection, the two ends of described diode D3 are simultaneously as output, with described transmitting coil conducting, described metal-oxide-semiconductor Q2 is connected with IR2111 chip by resistance R 2, described metal-oxide-semiconductor Q5 is connected with IR2111 chip by resistance R 5.
Radiating portion is the core circuit part in the present invention, and rear class can obtain the size how much power depends on transmitting power to a great extent. The design adopts IR2111 to promote half-bridge in the hope of obtaining larger electric current, and owing to adopting half-bridge to promote transmitting, the choosing pipe of metal-oxide-semiconductor is just very important. The design adopts the metal-oxide-semiconductor that the model of TI company is CSD19535, and its maximum voltage is 100V, electric current 150A, and there is the advantages such as quick, sturdy and durable, the low conduction impedance of conversion, low turn-on voltage.
Current sample module as shown in Figure 4, comprises ACS712 chip, and the input of this ACS712 is connected with described transmitting coil, and its output is connected with described single chip machine controlling circuit, on this ACS712 chip, is also connected with auxiliary element.
Single chip machine controlling circuit as shown in Figure 6, mainly comprise a MCU and the 2nd MCU, the power end access 3.3V power supply of a described MCU, and by ground connection after a resistance and LED series connection, described 3.3V power supply is also connected with LM1117 chip, LM7805 chip, single spininess socket, PLC5616 chip and ADS1115 chip, wherein, described LM1117 and the series connection of LM7805 chip, and on both pins, be connected with respectively ground capacity, described single spininess socket and described the 2nd MCU peg graft, described PLC5616 chip is connected with a described MCU respectively with ADS1115 chip, and described PLC5616 chip and ADS1115 chip are also connected with respectively ground capacity, on described the 2nd MCU, be also connected with control button.
And the power supply circuits of single-chip microcomputer as shown in Figure 5, comprise TPS5430 chip, the inductance L 2 being connected with this TPS5430 chip, the resistance R 6, the R7 that connect with this inductance L 2, between described inductance L 2 and TPS5430 chip, be also connected with the diode D9 of one end ground connection, on TPS5430 chip, be also provided with auxiliary element simultaneously. The present invention adopts the TM4C123GH6PM single-chip microcomputer of TI, can 5V or 3.3V power supply, when 5V power supply, on minimum system plate, there is linear stabilized power supply, can affect efficiency, so we adopt Switching Power Supply step-down chip TPS5430, it is single-chip microcomputer power supply that 15V power supply is directly dropped to 3.3V, and efficiency is used LM7805 or the LM117 %6 that raise. TPS5430 is a 4.5V-42V input, the voltage-releasing voltage stabilizer of output 3.5A, and this voltage-stablizer has an integrated high side MOSFET, and this device can tolerate the throw load pulse up to 45V. Source current when non-loaded only has 146 μ A, and power cutoff electric current only has 1 μ A.
Electric energy receiving circuit as shown in Figure 3, comprises the receiving coil supporting with described transmitting coil, the diode group being connected with the output of this receiving coil, and the MC34063 chip being connected with this diode group, described diode group comprises diode D10, D11, D12, D4, D6, D7, D8, wherein diode D4 and D8 the first series arm in series, diode D6 and D7 the second series arm in series, diode D10, D11, D12 forms the first parallel branch, described the first series arm is in parallel with the second series arm, and connect with described the first parallel branch, and diode D4 is connected with receiving coil output with the tie point of D8, the tie point of diode D6 and D7 is connected with receiving coil output, described MC34063 chip is connected with the output of described the first parallel branch by diode D5, on described MC34063 chip, be also connected with the inductance L 1 of connecting with described diode D5, and auxiliary element, described single chip machine controlling circuit also disposes power supply circuits, these power supply circuits comprise TPS5430 chip, the inductance L 2 being connected with this TPS5430 chip, the resistance R 6, the R7 that connect with this inductance L 2, between described inductance L 2 and TPS5430 chip, be also connected with the diode D9 of one end ground connection, on TPS5430 chip, be also provided with auxiliary element simultaneously.
Circuit system of the present invention is simple in structure, realizes easily, and cost is low, and stable and reliable operation has very high practical value and economic benefit.
Above-described embodiment is only the preferred embodiments of the present invention, and not limiting the scope of the invention adopts design principle of the present invention in every case, and carries out non-creativeness work on this basis and the variation made, within all should belonging to protection scope of the present invention.